S-DV990SW
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 PRODUCT APPEARANCE SECTION....................................................................................................... 8
2.3 AMPLIFIER ASSY ................................................................................................................................... 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 12
3.1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM .............................................................. 12
3.2 AF and TRADE 1 ASSY ........................................................................................................................... 14
3.3 6CH AMP ASSY ...................................................................................................................................... 16
3.4 POWER ASSY ......................................................................................................................................... 18
3.5 PRIMARY ASSY ...................................................................................................................................... 20
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 22
4.1 AF and TRADE 1 ASSY ........................................................................................................................... 22
4.2 6CH AMP ASSY ...................................................................................................................................... 26
4.3 POWER ASSY ......................................................................................................................................... 28
4.4 PRIMARY ASSY ...................................................................................................................................... 32
5. PCB PARTS LIST ........................................................................................................................................... 34
6. ADJUSTMENT ............................................................................................................................................... 36
7. GENERAL INFORMATION ............................................................................................................................. 37
7.1 DIAGNOSIS ............................................................................................................................................. 37
7.1.1 PROTECTION CIRCUIT ....................................................................................................................... 37
7.1.2 DISASSEMBLY ..................................................................................................................................... 39
7.2 IC ............................................................................................................................................................. 41
7.3 CLEANING............................................................................................................................................... 41
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
